Created by Biofield Tuning Founder, Eileen McKusick, the custom-made 93.96 Hz Sonic Slider is a weighted tuning fork designed to be used directly on the face and body.

The Sonic Slider is remarkable for its ability to produce noticeable changes quickly. Users report a wide range of benefits including improved muscle tone, support for weight loss, healthier and more radiant complexion, reduction in pain and tension, improved digestion, increased energy and refinement in their overall well-being.

The Circuit Boot adds a new dimension of effectiveness to the Sonic Slider.

The unique, patent-pending design of this boot delivers a focused circuit of sound waves by trapping the vibration between small divots on the boot and the surface of the skin.

The Circuit Boot attachment is an excellent aid for deeper engagement with digestive organs, fascia restriction, muscle tension, and bone stimulation.

Paired with the Sonic Slider, users have reported improved muscle tone, immediate pain relief, and accelerated recovery from exercise.

Our premium American-made tuning forks can last many years with the proper care and usage.

We sell two types of tuning fork activators to get the maximum performance from your weighted and unweighted forks.

Watch this video for instructions on the best way to activate your tuning forks.

To learn how to attach your Biofield Tuning Fork metal accessories, please watch this instructional video.

To clean your Biofield Tuning forks, we recommend using warm soapy water (hand or dish detergent work equally well).

Use a soft-bristle toothbrush to clean divots and interiors. Lay upright on a dry paper towel to allow water droplets to depart from crevices.

Be sure to pat dry after washing to avoid discoloration.

Use alcohol wipes for easy disinfection in between uses.

Biofield Tuning forks are manufactured in America with a premium aluminum alloy and a proprietary finishing process that minimizes absorption into the skin, maximizes sustained vibration, and extends fork life.

After having many forks fail during tuning sessions, Eileen worked for years to develop a premium alloy that would better withstand the stress that Biofield Tuning places on forks. This alloy proved to be the most resilient while maintaining our high standards for clear, sustained working tones.

This alloy produces audible overtones in our unweighted forks and sustained vibrations/frequencies in our weighted forks, which are critical elements in producing optimal results in Biofield Tuning.

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Our metal accessories contain nickel. The Circuit and Contour Boots are made of stainless steel, which contains a very small amount of nickel to achieve its corrosion resistant properties (similar to the amount found in a stainless steel spoon or fork). Our Handle Extender is aluminum and is plated in nickel to create a corrosion resistant barrier between the metal and its environment.

If you have a slight allergy to nickel, you may wish to try this product: Amazon.com: Nickel Guard - No Nickel - Protective Coating Solution for Nickel Objects.

For those with a higher sensitivity to nickel, we suggest avoiding the Handle Extender, and instead recommend the stainless-steel Contour Boot or the Circuit Boot.